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| Number | Title | Issue Date |
| 7916395 | Cavity ring-down spectroscopy mirror, and methods of using same A cavity ring-down spectroscopy (CRDS) mirror is constructed to resist migration of a maximum reflectance peak during use where the CRDS mirror may become accreted with contamination that would otherwise cause the maximum reflectance peak to migrate. The mirror incl... | 03/29/2011 |
| 7876503 | Broadband asymmetric mirrors An asymmetric mirror is composed of a dielectric substrate [500] and a coating [502] on the dielectric substrate. Within an operational wavelength range Δλ, the mirror has a transmission symmetry ΔT=0% and a reflection asymmetry ΔR>10%, where the r... | 01/25/2011 |
| 7826138 | Dichroic mirror A dichroic mirror includes a substrate, a first film stack, and a second film stack. The first film stack is deposed on the substrate and has a structure represented by a first formula: (2HL)n. The second film stack is deposed on the first film stack and ... | 11/02/2010 |
| 7796334 | Apparatus for reflecting high-intensity electromagnetic radiation A plurality of optically isotropic, parallel dielectric plates of uniform thickness, mutually separated by gaps having a uniform width. The plates are connected by spacers located in the gaps. The gaps are either filled with a gas or evacuated. The plate thickness i... | 09/14/2010 |
| RE41239 | Method and apparatus for stretching an optical pulse A method and apparatus for stretching a pulse, shaping a stretched pulse, and modeling a stretched and/or shaped pulse are disclosed. An etalon has a port, a partially reflective surface, and a fully reflective surface. A base pulse is introduced into the etalon, an... | 04/20/2010 |
| 7511888 | Projection optical system, exposure apparatus, device manufacturing method, and device manufactured by using the same A projection optical system having a multilayered film mirror arranged to provide an approximately uniform reflectance throughout a predetermined light incidence angle range to thereby assure a desired optical performance. A projection exposure apparatus having such... | 03/31/2009 |
| 7440182 | Multilayer mirror, method for manufacturing the same, and exposure equipment A multilayer mirror aims to reduce incidence angle dependence of reflectivity. A substrate is made of low thermal polished expansion glass with 0.2 nm RMS or less roughness of the surface. On the surface thereof formed is a Ru/Si multilayer having a wide full-width ... | 10/21/2008 |
| 7433557 | Tunable optical add/drop multiplexer The tunable add/drop multiplexer including a tiltable mirror, a fixed thin film filter, and first and second retro-reflector elements for redirecting express channels back out an input/output port and for redirecting drop channels back out an add/drop port, respecti... | 10/07/2008 |
| 7428102 | Optical element An optical element which includes an optical block having a cavity part formed on an optical path and an inclined face formed in an internal face of the cavity part at a prescribed inclining angle with respect to a traveling direction of light. Multilayer films of t... | 09/23/2008 |
| 7418206 | Control method of wavelength dispersion compensator, and wavelength dispersion compensator It is an object of the present invention to provide a control technique for reducing wavelength dependence of wavelength dispersion values and also for suppressing a change in wavelength transmission characteristic with a temperature variation or the like, in a VIPA... | 08/26/2008 |
| 7405873 | UV-bandpass filter and application to UV-detecting apparatus or light-emitting apparatus A UV-bandpass filter for transmitting therethrough light having a wavelength included in a UV-region. The bandpass filter is an optical filter including a thin silver film; wherein the thin silver film includes an entrance face and an exit face opposing the entrance... | 07/29/2008 |
| 7405879 | Optically variable element having a variable distance-layer thickness The invention concerns an optically variable element and a security product having such an optically variable element, a foil, in particular an embossing foil or a laminating foil having such an optically variable element, and a process for producing such an optical... | 07/29/2008 |
| 7385762 | Methods and devices for inhibiting tilting of a mirror in an interferometric modulator Interferometric modulators having a separable modulator architecture are disclosed having a reflective layer suspended from a flexible layer over a cavity. The interferometric modulators have one or more anti-tilt members that inhibit undesirable movement of the ref... | 06/10/2008 |
| 7385763 | Thick film multilayer reflector with tailored layer thickness profile A multilayer reflector useable to reflect or transmit light over the visible wavelength range includes optically thick constituent layers. The optical thickness of the constituent layers through the thickness of the reflector defines a layer thickness profile. The l... | 06/10/2008 |
| 7385659 | Structured transflectors for enhanced ambient and backlight operation of transmissive liquid crystal displays Color transmissive displays have historically used only backlight for forming the color image, and have not used ambient light. Usually, such a display is not used in bright sunlight, since the color image becomes washed out. Transflective color displays form an ima... | 06/10/2008 |
| 7382527 | EUV multilayer mirror with phase shifting layer A multilayer mirror aims to reduce incidence angle dependence of reflectivity. A substrate is made of low thermal polished expansion glass with 0.2 nm RMS or less roughness of the surface. On the surface thereof formed is a Ru/Si multilayer having a wide full-width ... | 06/03/2008 |
| 7369312 | Thin layered micro optics polarization converter A thin optic electro magnetic radiation polarization converter, available in various combinations, used to convert non-polarized radiation into a single polarization state, which may be utilized in many devices requiring polarized radiation. A unique geometric confi... | 05/06/2008 |
| 7369252 | Process control monitors for interferometric modulators Process control monitors are disclosed that are produced using at least some of the same process steps used to manufacture a MEMS device. Analysis of the process control monitors can provide information regarding properties of the MEMS device and components or sub-c... | 05/06/2008 |
| 7367691 | Omnidirectional one-dimensional photonic crystal and light emitting device made from the same A light emitting device includes a light-generating unit for generating a primary light in a first wavelength range, a wavelength-converting member connected to the light-generating unit for converting a portion of the primary light into a secondary light in a secon... | 05/06/2008 |
| 7362515 | Electro-optical device, film member, laminated film, low refractivity film, laminated multilayer film and electronic appliances The invention provides an electro-optical device capable of improving a high light projection efficiency to the outside while maintaining sealing ability for providing high recognition of vision. An organic electroluminescence display can include a light permeable s... | 04/22/2008 |
| 7342707 | Indicators and illuminators using a semiconductor radiation emitter package A vehicle lamp assembly includes a housing and an LED lamp carried in the housing. A signal mirror includes a mirror and an LED lamp. The LED lamp includes a heat extraction member. ... | 03/11/2008 |
| 7336416 | Spectral purity filter for multi-layer mirror, lithographic apparatus including such multi-layer mirror, method for enlarging the ratio of desired radiation and undesired radiation, and device manufacturing method A multi-layer mirror includes on top of the multi-layer mirror a spectral purity enhancement layer, for example for application in an EUV lithographic apparatus. This spectral purity enhancement layer includes a first spectral purity enhancement layer, but between t... | 02/26/2008 |
| 7336878 | Optical device The invention has an object to provide an optical device which can directly and efficiently introduce a planar incident light as it is and can efficiently obtain a planar total reflected light on a desirable interface without using a light guiding plate or an optica... | 02/26/2008 |
| 7332044 | Fabrication of narrow-band thin-film optical filters A multi-layer thin-film narrow-band filter is fabricated by a process wherein each half of a symmetric stack is deposited under exact conditions, either successively or contemporaneously. The two halves of the filter structure are then combined and bonded together u... | 02/19/2008 |
| 7333266 | CWDM filter A CWDM filter of the present invention comprises a first portion and a second portion. The first portion includes at least two Fabry-Perot cavity structures, and the second portion comprises a non λ/4 multi-layer structure which has a plurality of alternately super... | 02/19/2008 |
| 7329853 | Spectrally tunable detector A spectrally tunable optical detector and methods of manufacture therefore are provided. In one illustrative embodiment, the tunable optical detector includes a tunable bandpass filter, a detector and readout electronics, each supported by a different substrate. The... | 02/12/2008 |
| 7324647 | Quantum cryptographic key distribution networks with untrusted switches Methods and systems are disclosed in which information is securely transmitted in a network comprising untrusted network devices. Setup messages are sent to a networking device, and based on the setup messages, light directing devices are configured to direct light ... | 01/29/2008 |
| 7324283 | Optical filter and optical instrument In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, t... | 01/29/2008 |
| 7316482 | Reflecting mirror and projection image display apparatus using the same The present invention is directed to the provision of a reflecting mirror that suppresses decreases in the resolution performance and contrast performance by decreasing the mean surface roughness. In a projection type image display apparatus including a projector le... | 01/08/2008 |
| 7312925 | Optical filter and optical instrument In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, t... | 12/25/2007 |
| 7310454 | Photonic bandgap modulator, amplifier, demux, and TDM devices An optical device includes at least two photonic bandgap crystal (PBG) stacks that are each comprised of alternating layers of high and low index materials. A defect region is formed in a cavity region between the at least two photonic bandgap crystal stacks so as t... | 12/18/2007 |
| 7310059 | Transparent pane with radar-reflecting properties The panes (1) of a naval vessel or military vehicle are often coated with a radar-reflecting layer (20) for reduction of the radar signature of the vessel/vehicle. At the same time this layer increases an enemy's possibility of recognizing the vessel i... | 12/18/2007 |
| 7310466 | Photonic crystal waveguides and systems using such waveguides In general, in one aspect, the invention features a waveguide that includes a core extending along a waveguide axis and a confinement region surrounding the core. The confinement region includes a spiral portion and a non-spiral portion, wherein the spiral portion a... | 12/18/2007 |
| 7304801 | Distributed Bragg reflector systems and methods A distributed Bragg reflector includes a first layer formed to be a first thickness, and a second layer formed to be a second thickness. A method of forming a distributed Bragg reflector includes forming a first layer to be a first thickness and forming a second lay... | 12/04/2007 |
| 7298550 | Dichroic mirror, fluorescence filter set, and fluoroscopy apparatus The invention provides a dichroic mirror having a transmission characteristic in which a step due to splitting of P-polarized and S-polarized light can be reduced and having a fluorescence-transmitting band extending to long wavelengths. The invention also provides ... | 11/20/2007 |
| 7297393 | Optical film Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of multilayer mirrors and polarizers whose reflectivity for p-polarized light ... | 11/20/2007 |
| 7288232 | Self-cleaning UV reflective coating A photo-catalytic overcoat on a UV reflective paint layer is employed to maintain high reflectance for long periods of time by continuously removing organic films when exposed to UV light. Advantageously, nano-particles comprising the photo-catalytic overcoat are co... | 10/30/2007 |
| 7289268 | Optical filter and optical instrument In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, t... | 10/30/2007 |
| 7286637 | Optical thin film and mirror using the same To provide an optical thin film structure capable of efficiently dissipating heat in an optical thin film which is generated upon irradiating a surface of an X-ray mirror made up of the optical thin film with an X-ray. The optical thin film having an isotope purity ... | 10/23/2007 |
| 7281849 | System and method for alignment of an object in a medical imaging device Systems and methods for alignment in a medical imaging device are provided. An alignment system includes a source of visible light and a reflector. The source of visible light is configured to project a beam of visible light within a field of view of the medical ima... | 10/16/2007 |
